earlier today, former new york mayor rudy guliani that led the city during the 9/11 terror attacks spoke to jon scott. >> it's very hard not to feel the emotion like this. all the parents or even ones that aren't parents. necessity understand children and they understand to have these innocent chilled mowed down and the incomprehensible act. how does someone stand in front of a classroom and kale five or six-year-old. it completely is impossible for any vaguely normal person to understand that. >> this school apparently had done everything right. you cannot, even if they turned the stool into a fortress. >> in a community like that, they did more in a community like that i would think you would generally do. in a community one violent crime. this isn't a dangerous suburban or urban area. they had more security than any facts would suggest. the guy basically, shot his way in. should they have armed police officer there? nothing in the past would suggest that. having an armed police officer is disconcerting for the children. who wouldn't say he would have shot the armed police officer. thi